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Finding the Fourth Proportional to 49,607.80, 74,437.02 and 32,979.16

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Solution

The fourth proportional to 49,607.80, 74,437.02 and 32,979.16 is: 49,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,607.80 : 74,437.02 = 32,979.16 : x
  2. Step 2: Convert to fraction form
    49,607.80/74,437.02 = 32,979.16/x
  3. Step 3: Cross multiply
    49,607.80x = 74,437.02 × 32,979.16
  4. Step 4: Simplify right side
    49,607.80x = 2,454,870,392.50
  5. Step 5: Solve for x
    x = 2,454,870,392.50/49,607.80
  6. Step 6: Final answer
    x = 49,485.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.